/*

 * Licensed to the Apache Software Foundation (ASF) under one

 * or more contributor license agreements.  See the NOTICE file

 * distributed with this work for additional information

 * regarding copyright ownership.  The ASF licenses this file

 * to you under the Apache License, Version 2.0 (the

 * "License"); you may not use this file except in compliance

 * with the License.  You may obtain a copy of the License at

 *

 *     http://www.apache.org/licenses/LICENSE-2.0

 *

 * Unless required by applicable law or agreed to in writing, software

 * distributed under the License is distributed on an "AS IS" BASIS,

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 * See the License for the specific language governing permissions and

 * limitations under the License.

 */

package com.bff.gaia.unified.sdk.io.gcp.bigquery;



import com.bff.gaia.unified.sdk.coders.AtomicCoder;

import com.bff.gaia.unified.sdk.coders.Coder;

import com.bff.gaia.unified.sdk.coders.CoderException;

import com.bff.gaia.unified.sdk.coders.StringUtf8Coder;

import com.bff.gaia.unified.vendor.guava.com.google.common.annotations.VisibleForTesting;



import java.io.IOException;

import java.io.InputStream;

import java.io.OutputStream;



/** Defines a coder for {@link TableRowInfo} objects. */

@VisibleForTesting

class TableRowInfoCoder<ElementT> extends AtomicCoder<TableRowInfo<ElementT>> {

  private final Coder<ElementT> elementCoder;



  private TableRowInfoCoder(Coder<ElementT> elementCoder) {

    this.elementCoder = elementCoder;

  }



  public static <ElementT> TableRowInfoCoder of(Coder<ElementT> elementCoder) {

    return new TableRowInfoCoder(elementCoder);

  }



  @Override

  public void encode(TableRowInfo<ElementT> value, OutputStream outStream) throws IOException {

    encode(value, outStream, Context.NESTED);

  }



  @Override

  public void encode(TableRowInfo<ElementT> value, OutputStream outStream, Context context)

      throws IOException {

    if (value == null) {

      throw new CoderException("cannot encode a null value");

    }

    elementCoder.encode(value.tableRow, outStream);

    idCoder.encode(value.uniqueId, outStream, context);

  }



  @Override

  public TableRowInfo<ElementT> decode(InputStream inStream) throws IOException {

    return decode(inStream, Context.NESTED);

  }



  @Override

  public TableRowInfo<ElementT> decode(InputStream inStream, Context context) throws IOException {

    return new TableRowInfo<>(elementCoder.decode(inStream), idCoder.decode(inStream, context));

  }



  @Override

  public void verifyDeterministic() throws NonDeterministicException {

    throw new NonDeterministicException(this, "TableRows are not deterministic.");

  }



  StringUtf8Coder idCoder = StringUtf8Coder.of();

}